A small bob of mass 100 mg and charge 
is connected to an insulating string of length 1 m. It is brought near to an infinitely long nonconducting sheet of charge density ' σ ' as shown in figure. If string subtends an angle of 
with the sheet at equilibrium the charge density of sheet will be.
(Given, 
and acceleration due to gravity, 
)
A
B
C
D
Text Solution
Verified by ExpertsThe correct answer is:
A
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